Category "r"

In R Shiny, use stats::setNames to assign names to vector elements and then retrieve the name attributes in the server side

I have a shiny app that displays data from a database, in which variables are assigned codes (e.g., "TMAX" for maximum temperature, "GDD" for growing degree day

ggsankey: Error: `n()` must only be used inside dplyr verbs

I'm new using ggsankey. I have the following data t1 <- sample(x = c("Hosp A", "Hosp B", "Hosp C","Hosp D") , size = 100, replace=TRUE) t2 <- sample(x = c

How to use created functions argument inside the code?

When I create a function and use arguments as variable names in group_by() function there is error: comb <- function(z,x,y) { df <- z %>% group

Get chi squared from cartesian points

I have a table with x, y columns x y 10 12 23 24 12 43 34 15 74 18 ... How can I know if they have a random distribution or if there is a dependency bet

How to draw rectangle around map area in R?

I have a map of the Northern Hemisphere centered around North America. I would like to draw a red rectangle around the USA (this is part of an inset map) howeve

R nls model fails to converge on Linux, not on macOS

I have a grouped/nested data frame on which I want to run an nls model fit for each group. This code used to work fine on one machine. Running it on another mac

Plotly R: highlight the hovered label in pie chart and grey out the other labels

Dataframe: df2 = data.frame(value = c(9, 2, 7, 3, 6), key = c('ar', 'or', 'br', 'gt', 'ko')) And this is the code to generate the pie chart: d

R: how to calculate fraction of empty rows in all columns of a large matrix?

I'm working with single-nuclei rna sequencing and I made a matrix of a subset of genes across all features that shows the counts per gene for each of them. I wa

Keyword repeated multiple times in context from string in R

I have a dataset (z) with strings which are very long in z$txt. I also have a dictionary (incd) of keywords that need to be identified. In the column z$inc.term

Show true unknown count based on question logic

I'm working with surveys where if a specific answer is provided, a follow-up question is given. For example, if the answer to q1 is "yes" then q2 is asked. Howe

Change decimals for proportion of variance displayed in autoplot PCA

I would like to change the number of decimals for the Proportion of Variance displayed in the axes of a PCA plot using prcomp() and autoplot(). By default it's

How to hide, or at least customize colorbar in plotly scattergeo in R

I want to create a scattergeo plot with markers for capitals. These markers are sized and colored regarding database values. If I use the standard colors, every

Error: object not found after being defined in R

I have just started using R, and I seem to be falling over at the first hurdle... I have defined an object in my R project which is the csv data for a file I ha

R: ggplot with 6 different groups: Have 5 solid lines and for one group a dashed line

I have the following data: structure(list(Date = c("01.08.2018", "02.08.2018", "03.08.2018", "04.08.2018", "01.09.2018", "02.09.2018", "03.09.2018", "04.09.201

Open CSV data in tableau

I have had problems uploading the following file to Tableau: https://www.kaggle.com/datasets/shivamb/netflix-shows/download When loaded it looks like this but

Change column name with tq_get() in Tidyquant

I'm using the tq_get() function in Tidyquant to retrieve economic data from FRED: library(tidyquant) library(tidyverse) consumer_price_index <- 'CPIAUCSL'

Filter data for whole numbers (.00)

I'm looking to extract the value of my data frame that are whole numbers, i.e. end in .00 Price 100.00 100.46 101.00 101.67 The resulting data frame would be:

Modifying a function to print NA when the a warning message is printed in R

I'm trying to modify a function to print NA when the function prints a warning message. I've tried using a return(NA) modifier, which you'll see in the functio

How to save and restore a user session in R shiny

For my shiny app I would like to add the possibility for the user to save his session and restore it later. I managed to implement functions that lets the user

ARIMA model won't work: error in optim function

hopefully someone can help me out. I want to do an autoregressive regression on some monthly logreturns (60 observations). I found that only lag 1,3,11,18 are s